Note 4 - Intangible Assets and Goodwill - Components of Intangible Assets (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Accumulated Amortization	$ (478,087)	$ (1,102,648)
Net Carrying Amount	3,790,637
Total, Gross Carrying Costs	4,268,724	7,958,314
Total, Net Carrying Amount	3,790,637	3,962,118
Impairment	0	(2,893,548)
Trade Names 1 [Member]
Tradename	80,000	478,000
Tradename	(12,963)	(29,343)
Tradename	67,037	77,917
Impairment, indefinite		370,740
Patents and Trademarks [Member]
Gross Carrying Costs	488,724	453,314
Accumulated Amortization	(241,583)	(230,572)
Net Carrying Amount	247,141	222,742
Impairment, finite		0
Developed Technology Rights [Member]
Gross Carrying Costs	3,500,000	6,382,000
Accumulated Amortization	(211,458)	(432,733)
Net Carrying Amount	3,288,542	3,463,542
Impairment, finite		(2,485,725)
Customer Relationships [Member]
Gross Carrying Costs	200,000	645,000
Accumulated Amortization	(12,083)	(410,000)
Net Carrying Amount	$ 187,917	197,917
Impairment, finite		$ (37,083)